code: def __exit__(self, exc_type, exc_val, exc_tb):
      self.__feed.getDatabase().disconnect()  # This is for the feed to release the file and get it deleted.
      self.__feed = None
      os.remove(self.__dbFilePath)
  
file_path: pyalgotrade/testcases/dbfeed_test.py
imports: import os
  from six.moves import xrange
  from .None import common
  from .None import feed_test
  from pyalgotrade.barfeed import yahoofeed
  from pyalgotrade.barfeed import sqlitefeed
  from pyalgotrade import bar
  from pyalgotrade import marketsession
label_desc: Use image node_id 3 for calling the TemporarySQLiteFeed obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_val, exc_tb) without return types